31-3k=k

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Solution for 31-3k=k equation: 


Simplifying
31 + -3k = k

Solving
31 + -3k = k

Solving for variable 'k'.

Move all terms containing k to the left, all other terms to the right.

Add '-1k' to each side of the equation.
31 + -3k + -1k = k + -1k

Combine like terms: -3k + -1k = -4k
31 + -4k = k + -1k

Combine like terms: k + -1k = 0
31 + -4k = 0

Add '-31' to each side of the equation.
31 + -31 + -4k = 0 + -31

Combine like terms: 31 + -31 = 0
0 + -4k = 0 + -31
-4k = 0 + -31

Combine like terms: 0 + -31 = -31
-4k = -31

Divide each side by '-4'.
k = 7.75

Simplifying
k = 7.75

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